The Apocalypse is a quest in the Fallout: New Vegas add-on Lonesome Road.
 Quick walkthrough
- Go to the missile control panel and launch the missiles at the NCR, Legion, or both.
- Leave Ulysses' Temple.
 Detailed walkthrough
This quest appears after you deal with Ulysses and decide the fate of the nuclear missiles at the temple. You have three options presented: send the missiles to NCR territory (mainly the Long 15), nuke Legion territoy (mostly Dry Wells or divvy the payloads and send them at both regions. Choosing any option other than canceling the launch begins this quest and fails The End. After choosing your target, run for the temple's exit. The endings will play after exiting. Upon returning to the Mojave after the ending slides, a nuclear explosion can be seen in the general vicinity of whichever territory was targeted (or both, if you chose to nuke both Legion and NCR).
- If you complete the quest before entering The Tops for the first time your reputation will be reset once speaking to Vulpes Inculta, meaning you can still secure a positive reputation with the Legion after targeting them.
- If you complete the quest before visiting the Lucky 38 for the first time, after you exit the casino main door, an NCR Trooper will come to you and notifies that Ambassador Crocker wants to talk to you. After this event, your NCR reputation will be reset, meaning you can still secure a positive reputation with the NCR after targeting them.
- Both The Apocalypse and The End have the same rewards. The only difference in rewards is the addition of the player gaining access to the Long 15 or Dry Wells (or both), and their subsequent loot. Nuking both yields the most (potential) reward.
 Journal entries
|10||Run for the Canyon Wreckage.|
|Act 1||Ain't That a Kick in the Head · Back in the Saddle · By a Campfire on the Trail · They Went That-a-Way · Ring-a-Ding-Ding!|
|Act 2||Wild Card (Wild Card: Ace in the Hole, Change in Management, You and What Army?, Side Bets, Finishing Touches) · The House Always Wins (I, II, III, IV, V, VI, VII, VIII) · Render Unto Caesar · Et Tumor, Brute? · Things That Go Boom · Kings' Gambit · For the Republic, Part 2 · You'll Know It When It Happens/Arizona Killer|
|Act 3||No Gods, No Masters · All or Nothing · Veni, Vidi, Vici · Eureka!|
|Other||Come Fly With Me · Crazy, Crazy, Crazy · Ghost Town Gunfight · Guess Who I Saw Today · Left My Heart · My Kind of Town · The Legend of the Star and A Valuable Lesson · Unfriendly Persuasion · Wheel of Fortune|
|Companion quests||ED-E My Love · For Auld Lang Syne · Heartache by the Number · I Could Make You Care · I Forgot to Remember to Forget · Nothin' But a Hound Dog · One For My Baby|
|Unmarked quests||A Bit of Slap and Tickle · Access Powers · All Fired Up! · Andy and Charlie · Arachnophobia · Arizona Scavenger · Barton the Fink · Bear Necessities · Big Winner (Atomic Wrangler, The Gomorrah, The Tops, Ultra-Luxe, Vikki & Vance) · Bounty Killer (I, II) · Brotherhood Bond (I, II) · Caching in at the Cove · Cajoling a Cudgel · Claws Mended · Claws Out · Dealing with Contreras · Defacing the Humble Stone · Democracy Inaction · Don't Poke at the Bear · Eddie's Emissary · Exhumin' Nature · Fight Night · Flogging a Dead Corpse · Friend of the Followers · Getting a Leg Up from Andy · Gland for Some Home Cooking · Harder, Better, Faster, Stronger · Hat's Entertainment · Help for Halford · Hidden Valley computer virus · Highway to the Danger Zone (I, II) · Honorary Rocketeer · I Love Bananas · Iron and Stealing · Keith's Caravan Charade · Laurifer Gladiator · Lenk's Bad Debts · Lily and Leo · Long-Term Care · Malleable Mini Boomer Minds · Maud's Muggers · Meeting an Equal · Missing a Few Missiles · Not Worth a Hill of Corn and Beans · Old School Ghoul · A Pair of Dead Desperados (I, II) · Papers, Please · Pistol Packing · Playing on the Old Joana · Poor Meat Never Makes Good Soup · Powder to the People · Power to the People · Proper Burial · Razzle Dazzle! · Reach for the Sky, Mister! · Rest and Resupply · Ringo's Caravan Rules · Rotface's Loose Lips · The Screams of Brahmin · Silus Treatment · Short-Term Treatment · Smooth-Talking Criminal · Strategic Nuclear Moose · Straus Calls · Strip Search · Saving (or Savaging) Sergeant Teddy · Stocking Up · Suits You, Sarah · A Team of Moronic Mercenaries · Team Spirit · Thought for the Day · Tourist Traipse · Trudy's Radio Repair · A Trusted Aide · Useless Baubles or Fancy Trinkets? · We Must Stop Beating Like This · We Must Stop Meeting Like This (I, II, III, IV) · Wind-Brahmin Wrangler · You Gotta Break Out a Few Eggs · You Make Me Feel Like a Woman|